“Okay, back to Wilderness One-oh-one.” Luciana returns her attention to my pile of gear. “When it comes to basic survival, you want to remember the rule of threes: You can go three minutes without air, three hours without shelter, three days without water, and three weeks without food. Prioritize accordingly.” I’m already skeptical. “I can last longer than three hours without shelter.” “Assumes adverse conditions—say, a blizzard or torrential downpour or absurdly hot temps. Hyperthermia is a bigger killer than you might think.” Now I get it. “The rule of threes is about prioritizing. My first
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